Explain Aristotle’s theory of the four kinds of cause. That is, explain in your own words what this is a theory about, what the four kinds of cause are, and provide an illustration of the analysis of something into each of its four kinds of cause.

Explain Aristotle’s distinction between the sublunary and the celestial spheres. That is, explain in your own words what this distinction is, why he makes it, and how motion works in each sphere.